Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 406 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent Step 7 If the problem persists, replace the VGT - Associated Parameters: Parameter Label Description DID Range VGT actuator position demand High-pressure VGT actuator position demand FE B4 0 -100 VGT actuator position High-pressure VGT actuator position FE B7 0 - 100 Verification condition: Drive the vehicle at city and highway condition for 20 mins. Warm up the engine and Do several power latches to confirm that the fault is cleared. Circuit Description: ECM continuously monitors its internal memory status, internal circuits. These are basically self-checks that ensure that ECM is functioning properly. If any malfunction is detected, ECM will set the DTC. ECM is supplied voltage from the battery positive supply through Main relay. ECM ground connection is connected to the battery negative supply. ECM functionality critically depends on ensuring proper ground connection. Circuit Schematic Diagram:
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